If you can not access the shared directory, check your firewall settings to prevent access to shared directories.

Tips

Select a person from your contacts. Create a password for the person, then click Create Account. If you are connecting to your Mac, make sure that the Internet Connection Firewall settings on your Mac OS X are not preventing your connection. Please follow steps to configure the firewall. System Preferences->Security->Firewall, Click the lock to make changes, Click “Advanced”, Ensure that “Block all incoming connections” is unchecked.